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Automatic 180 Degree Hydraulic Aluminium Door Closer EN4 Medium Duty
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DC‑103 Automatic 180‑Degree Hydraulic Aluminium Door Closer EN4 Medium‑Duty
DC‑103 EN4 medium‑duty automatic 180‑degree hydraulic aluminium door closer. Fixed EN4 power grade cast aluminium alloy housing, dimension 202 x 67 x 44 mm for stable surface‑mount installation. Two‑valve independent adjustment for sweep closing speed and latching speed. High‑strength spring assembly and premium hydraulic sealing components adopt imported FUCHS oil, effectively prevent oil‑leakage and deliver consistent automatic closing performance. Suitable for door width 800‑1000 mm, max door weight up to 80 kg. CE, UL and BS EN1154 certified, 90‑minute fire‑rated compliant. Fits wooden, metal and fire‑rated interior and exterior door‑sets, widely used for office, hotel, apartment public area and classroom projects. Full mounting accessories supplied. Monthly production capacity reaches 200,000 units for B2B wholesale architectural door‑closer hardware tender projects.
| Specification | Parameter |
|---|---|
| Product Type | EN4 Medium‑Duty Surface‑Mount 180° Hydraulic Aluminium Door Closer |
| Operation | Two‑valve independent sweep & latching speed adjustment, max 180° opening angle |
| Material | Cast Aluminium Alloy Housing + Imported Internal Hydraulic‑Spring Components |
| Core Functions | Automatic door‑closing, anti‑oil‑leakage hydraulic sealing, CE‑UL‑EN1154 certified, fire‑rated compatible |
| Suitable Door Spec | Door width 800‑1000 mm, Max door weight 80 kg |
| Application | Wooden / Metal / Fire‑Rated Interior‑Exterior Door Assemblies, Office, Hotel, Apartment & Classroom Building Projects |
| Production Capacity | 200,000 Units / Month |
Application Scenarios
Office & Classroom Interior Installations
EN4 medium‑duty hydraulic door closer for office rooms, school classroom door‑sets. Stable consistent auto‑closing performance under frequent opening‑closing cycles, surface‑mount easy installation for new‑build and renovation interior door projects.
Hotel & Apartment Public‑Area Door Systems
Surface‑mount aluminium door closer for hotel corridor doors and apartment common‑area door assemblies. Compliant with fire‑safety hardware requirement, works well for medium‑weight wooden, metal and fire‑rated door‑sets in multi‑unit residential‑commercial buildings.
New‑Build & Architectural Tender Projects
Complete installation accessory kit included. CE, UL, BS EN1154 compliant. Suitable for residential‑commercial new‑build, refurbishment and architectural door‑closer hardware tender specification packages.
Product Characteristics
Fixed EN4 medium‑duty grade cast aluminium alloy housing, dimension 202×67×44 mm, sturdy structure for standard surface‑mount installation
Two‑valve independent adjustment for sweep closing speed and latching‑speed, installers can fine‑tune door moving status according to site requirement; max opening angle reach 180‑degree
Imported high‑strength gear shaft, piston, spring and seal‑ring components, adopt German FUCHS hydraulic oil, excellent anti‑oil‑leakage performance and long mechanical service life
CE, UL and BS EN1154 certified, 90‑minute fire‑rated compliant; optimized for door width 800‑1000 mm and max door weight up to 80 kg
Comes with full‑set mounting hardware accessories for convenient on‑site installation; multiple standard aluminium finish selections available
Fit wooden, metal and fire‑rated interior‑exterior door assemblies for office, hotel, apartment, classroom and multi‑purpose building applications; monthly capacity 200 000 units for B2B wholesale architectural door‑closer hardware orders
Warranty & Customization
Standard quality warranty against manufacturing defects of cast aluminium housing and internal hydraulic‑spring components
Bulk wholesale supply for architectural construction tender projects, MOQ 200pcs for formal order
2D installation drawing, CE‑UL certification documents and product performance specification datasheet available for tender submission documentation
Frequently Asked Questions
What is EN‑4 rating for DC‑103 door closer?
DC‑103 is fixed EN4 medium‑duty grade hydraulic door closer, applicable door width 800‑1000 mm and maximum door‑weight up to 80 kg, with 180‑degree maximum opening angle.
What adjustment function does DC‑103 provide?
DC‑103 features two‑valve independent adjustment for sweep closing speed and latching‑speed, installers can tune door movement performance for different on‑site door‑set conditions.
Which door‑sets fit DC‑103 hydraulic door closer?
Suitable for wooden, metal and fire‑rated interior‑exterior door assemblies for office, hotel, apartment and classroom building projects for bulk wholesale orders.
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